Prevent using general URL field in MDNodaRepository::fromUrl()

src/enums/MDNodaRepository.php

@@ -118,6 +118,7 @@ public static function fromUrl(string $input):MDNodaRepository {
         $cases = self::cases();
         foreach ($cases as $case) {
 
+            if ($case === self::allgemein) continue;
             $output = $case->validateId($input);
             if ($output !== false) return $case;